SINE n. 3 definitions
The perpendicular itself. See Sine of angle, below. Artificial sines, logarithms of the natural sines, or logarithmic sines. -- Curve of sines. See Sinusoid. -- Natural sines, the decimals expressing the values of the sines, the radius being unity. -- Sine of an angle, in a circle whose radius is unity, the sine of…
SINFUL a.
Tainted with, or full of, sin; wicked; iniquitous; criminal; unholy; as, sinful men; sinful thoughts. Piers Plowman. Ah sinful nation, a people laden with iniquity. Isa. i. 4. -- Sin"ful*ly, adv. -- Sin"ful*ness, n.